Allicdata Part #: | 2890R-39H-ND |
Manufacturer Part#: |
2890R-39H |
Price: | $ 2.13 |
Product Category: | Inductors, Coils, Chokes |
Manufacturer: | API Delevan Inc. |
Short Description: | FIXED IND 68UH 325MA 1.85 OHM TH |
More Detail: | 68µH Unshielded Molded Inductor 325mA 1.85 Ohm Max... |
DataSheet: | 2890R-39H Datasheet/PDF |
Quantity: | 1000 |
800 +: | $ 1.93640 |
Specifications
DC Resistance (DCR): | 1.85 Ohm Max |
Height - Seated (Max): | -- |
Size / Dimension: | 0.280" Dia x 0.900" L (7.11mm x 22.86mm) |
Supplier Device Package: | -- |
Package / Case: | Axial |
Mounting Type: | Through Hole |
Inductance Frequency - Test: | 2.5MHz |
Operating Temperature: | -55°C ~ 105°C |
Ratings: | -- |
Frequency - Self Resonant: | 13MHz |
Q @ Freq: | 75 @ 2.5MHz |
Series: | 2890R |
Shielding: | Unshielded |
Current - Saturation: | -- |
Current Rating: | 325mA |
Tolerance: | ±3% |
Inductance: | 68µH |
Material - Core: | Iron |
Type: | Molded |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
Description
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Fixed Inductors
Inductors are passive electrical components consisting of a conducting wire, typically wrapped in a coil, which create a magnetic field when energized with a current. Fixed inductors are the type of inductor designed for general applications and consist of a coil of wire that is wound around a ferrite or iron powder core and covered with an externally conductive material such as brass. They are named accordingly as they are designed to maintain a certain inductance value; consequently, they are often referred to as fixed inductors, fixed inductor assemblies, or fixed inductance assemblies.The 2890R-39H is an example of a fixed inductor. It has a diameter of 39mm and an inductance value of 2.4mH. It is constructed of a brass-plated steel core surrounded by a high Q coil and a double-thickness cover that provides good shock resistance. The 2890R-39H is commonly used in a variety of applications such as automotive and electronic equipment, power supplies, communications and medical imaging, and audio systems.The working principle of the 2890R-39H fixed inductor is relatively simple and is similar to all other fixed inductors. When energized with a current, the wire of the coil creates a magnetic field around the core. As the current increases, the magnetic field increases, which in turn creates a voltage across the terminals of the inductor. This voltage is proportional to the rate of change of the current; in other words, the voltage will increase as the current increases, or decrease as the current decreases. The magnitude of this voltage is determined by the inductance value of the device, which is why it is important to choose a fixed inductor with a rated inductance value that is suitable for the desired application.Fixed inductors are widely used in a variety of applications due to their simplicity and reliability. Although fixed inductors are relatively inexpensive and easy to use, care must be taken when choosing the right device for an application. Typically, the inductance value is determined by the application requirements, as a higher inductance value will result in a greater voltage being generated across the terminals. It is also important to consider the size and shape of the inductor, as most applications require a certain size and shape to fit properly.In conclusion, the 2890R-39H fixed inductor is a reliable and widely-used device that is suitable for a variety of applications. It is constructed of high-quality components, has a rated inductance value of 2.4mH, and is relatively easy to use. Although the working principle of a fixed inductor is relatively simple, it is important to carefully choose the right device for the application in order to achieve the best results.The specific data is subject to PDF, and the above content is for reference
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2890R-02K | API Delevan ... | 1.11 $ | 1000 | FIXED IND 1.5UH 2.19A 90 ... |
2890R-04K | API Delevan ... | 1.11 $ | 1000 | FIXED IND 2.2UH 1.64A 160... |
2890R-06K | API Delevan ... | 1.11 $ | 1000 | FIXED IND 2.7UH 1.4A 220 ... |
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